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FANUC Alarm SVGN-053 — WARN Backup stroke is not set.

FANUC SVGN-053 (“WARN Backup stroke is not set.”): Specified backup stroke index is not set the valid stroke value. First check: Set the valid backup stroke to the specified backup stroke index.

Updated 2026-09-17 · LogrobotLM reference

Description

Specified backup stroke index is not set the valid stroke value.

Remedy

Set the valid backup stroke to the specified backup stroke index.

Related codes

SVGN-051WARN Backup stroke is not selected.SVGN-052WARN Motion group mismatch.SVGN-054STOP $EQNUM is invalid number.SVGN-055STOP $EQNUM is not Servo Gun.

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →